A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80%
Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light
An award of up to ______ may be paid to a person supplying information that leads to a penalty against a techn...
epa section 609 exam questions with correct answer
a refillable refrigerant cylinder must not be fill
ozone layer absorbs and scatters from the
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EPA 609
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EPA Section 609 Exam Questions With Correct Answers
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80%
Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light
An award of up to ______ may be paid to a person supplying information that leads to a penalty against
a technician who is intentionally venting. - Answer $10,000
Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States -
Answer Jan 1, 1996
R-134a is a chlorine-free refrigerant - Answer True
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped - Answer 4
inches
Ozone at ground level and at Stratosphere is a harmful pollutant - Answer False
Each chlorine ion can able to destroy ______ ozone molecules - Answer 100,000
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - Answer Nov 15, 1995
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 - Answer
CFC-11
Ester-based synthetic oils can be mixed with other oils - Answer False
, Lifetime of CFCs is believed to range from _____ years - Answer 20-100
CFCs are highly reactive in _____ of atmosphere - Answer lower levels
At high temperaturesCFC-12 can decompose to form _______ - Answer hydrofluoric acid and/or
hydrochloric acid
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone
depleting substances. - Answer 1990
Non-condensables in a refrigeration system result in a _______ discharge pressure - Answer Higher
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to be
returned to, a mobile air-conditioning system cannot exceed _______ PPM by weight. - Answer 15
Refrigerants are lighter than the air: - Answer False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also
requires Section ______ certification - Answer 608
If a technician is already trained and certified to handle CFC-12, he has to be re-certified to handle HFC-
134a - Answer False
Every refrigerant cylinder need not be protected by some type of pressure relief device: - Answer False
Ozone depletion Increase global warming - Answer True
Stratosphere layer consists of about _____ of the available Ozone: - Answer 90%
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